In this alternative operation of the invention the methylacetylene and propadiene content is maintained within a range of 2 percent to 6 percent.
In a third alternative analyzer recorder controller 57 determines the methylacetylene plus propadiene content on a tray 59 of the separation column and generates a signal to which flow recorder controller 51 responds to control the flow of propane from line 47 through control valve 53 into the feed stream 39.
In a preferred operation the methylacetylene plus propadiene content is controlled according to the position of the tray within the separation column from which the sample is taken.
Feeds |
Contact